Home / 5,263.30-7,887.40-3,865.66

Finding the Fourth Proportional to 5,263.30, 7,887.40 and 3,865.66

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Solution

The fourth proportional to 5,263.30, 7,887.40 and 3,865.66 is: 5,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.30 : 7,887.40 = 3,865.66 : x
  2. Step 2: Convert to fraction form
    5,263.30/7,887.40 = 3,865.66/x
  3. Step 3: Cross multiply
    5,263.30x = 7,887.40 × 3,865.66
  4. Step 4: Simplify right side
    5,263.30x = 30,490,006.68
  5. Step 5: Solve for x
    x = 30,490,006.68/5,263.30
  6. Step 6: Final answer
    x = 5,792.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.